A: upper
z: lower
+: neither
0: neither
ǻ: lower
Ͱ: upper
Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/ldgHN on line 6
: neither
Fatal error: Uncaught Error: Call to undefined function array_key_last() in /in/ldgHN:6
Stack trace:
#0 {main}
thrown in /in/ldgHN on line 6
Process exited with code 255.